CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle travels for equal time intervals at 57 km/h and 68 km/h. What is its average speed?
A. 60.5 km/h
B. 66.5 km/h
C. 64.5 km/h
D. 62.5 km/h
Correct Answer: D
For equal time, average speed = (57+68)/2 = 62.5 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle travels for equal time intervals at 54 km/h and 66 km/h. What is its average speed?
A. 62 km/h
B. 58 km/h
C. 64 km/h
D. 60 km/h
Correct Answer: D
For equal time, average speed = (54+66)/2 = 60 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle travels for equal time intervals at 51 km/h and 64 km/h. What is its average speed?
A. 61.5 km/h
B. 59.5 km/h
C. 57.5 km/h
D. 55.5 km/h
Correct Answer: C
For equal time, average speed = (51+64)/2 = 57.5 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle travels for equal time intervals at 48 km/h and 62 km/h. What is its average speed?
A. 57 km/h
B. 55 km/h
C. 53 km/h
D. 59 km/h
Correct Answer: B
For equal time, average speed = (48+62)/2 = 55 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle travels for equal time intervals at 45 km/h and 60 km/h. What is its average speed?
A. 56.5 km/h
B. 52.5 km/h
C. 54.5 km/h
D. 50.5 km/h
Correct Answer: B
For equal time, average speed = (45+60)/2 = 52.5 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle travels for equal time intervals at 42 km/h and 58 km/h. What is its average speed?
A. 54 km/h
B. 48 km/h
C. 50 km/h
D. 52 km/h
Correct Answer: C
For equal time, average speed = (42+58)/2 = 50 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle travels for equal time intervals at 39 km/h and 56 km/h. What is its average speed?
A. 49.5 km/h
B. 47.5 km/h
C. 45.5 km/h
D. 51.5 km/h
Correct Answer: B
For equal time, average speed = (39+56)/2 = 47.5 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle travels for equal time intervals at 36 km/h and 54 km/h. What is its average speed?
A. 45 km/h
B. 47 km/h
C. 49 km/h
D. 43 km/h
Correct Answer: A
For equal time, average speed = (36+54)/2 = 45 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle travels for equal time intervals at 33 km/h and 52 km/h. What is its average speed?
A. 46.5 km/h
B. 44.5 km/h
C. 42.5 km/h
D. 40.5 km/h
Correct Answer: C
For equal time, average speed = (33+52)/2 = 42.5 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
A vehicle travels for equal time intervals at 30 km/h and 50 km/h. What is its average speed?
A. 44 km/h
B. 40 km/h
C. 42 km/h
D. 38 km/h
Correct Answer: B
For equal time, average speed = (30+50)/2 = 40 km/h.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of x−6, x−2, x+2, and x+6 is 19. What is x?
A. 21
B. 19
C. 23
D. 17
Correct Answer: B
The offsets sum to zero, so the average of the four expressions equals x.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of x−6, x−2, x+2, and x+6 is 18. What is x?
A. 22
B. 20
C. 16
D. 18
Correct Answer: D
The offsets sum to zero, so the average of the four expressions equals x.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of x−6, x−2, x+2, and x+6 is 17. What is x?
A. 21
B. 17
C. 15
D. 19
Correct Answer: B
The offsets sum to zero, so the average of the four expressions equals x.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of x−6, x−2, x+2, and x+6 is 16. What is x?
A. 20
B. 14
C. 18
D. 16
Correct Answer: D
The offsets sum to zero, so the average of the four expressions equals x.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of x−6, x−2, x+2, and x+6 is 15. What is x?
A. 15
B. 13
C. 17
D. 19
Correct Answer: A
The offsets sum to zero, so the average of the four expressions equals x.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of x−6, x−2, x+2, and x+6 is 14. What is x?
A. 18
B. 16
C. 14
D. 12
Correct Answer: C
The offsets sum to zero, so the average of the four expressions equals x.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of x−6, x−2, x+2, and x+6 is 13. What is x?
A. 15
B. 11
C. 17
D. 13
Correct Answer: D
The offsets sum to zero, so the average of the four expressions equals x.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of x−6, x−2, x+2, and x+6 is 12. What is x?
A. 14
B. 10
C. 12
D. 16
Correct Answer: C
The offsets sum to zero, so the average of the four expressions equals x.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of x−6, x−2, x+2, and x+6 is 11. What is x?
A. 13
B. 11
C. 15
D. 9
Correct Answer: B
The offsets sum to zero, so the average of the four expressions equals x.
CSS - PMS - CCE - PCS - Mathematics
Average / Arithmetic Mean
The average of x−6, x−2, x+2, and x+6 is 10. What is x?
A. 10
B. 8
C. 12
D. 14
Correct Answer: A
The offsets sum to zero, so the average of the four expressions equals x.